<footer class="footer">
  <small>
    The Blog System by HuangZhicheng
  </small>
  <nav>
    <ul>
      <li><%= link_to "About", '/about/index' %></li>
      <li><%= link_to "Contact", '/contact/index' %></li>
      <li><a href="https://news.railstutorial.org/">News</a></li>
    </ul>
  </nav>
</footer>